Apparatus for making paper cord



y 1942- B. M. KlMBALL APPARATUS FOR MAKING PAPER CORD Filed June 4, 1940 r INVENTOR.

BENJAMIN ML ro/v Mme/ILL Patented May 26, 1942 l UNITED STATES j PATENT *fl() l FlCE APPARATUS'FOR MAKING PAPsn conn Benjamin Milton Kimball, simian, vi, see

' to Millett Corporation, New York, 'N.,Y., a corporation of New York I i r Application June 4, 1940, Serial No. 338,688

(Cl. -1-42) f' I I 2 Claims.

This invention relates to improvements in paper cord and method of making the same.

Objects 7 Among the principal objects which the present invention has in view are: to provide an improved cord made of paper or the like; to provide means whereby cord may be made from a strip of continuous paper; to provide a; method whereby minimum parts are. utilized 7 in the ,making of cord; to use a special solution for sizing the I paperduring the method of making card therefrom; to employ a moisture resisting solution in the method of making. the cord; to secure simplicity of construction and the method in making cord; and to obtain other advantagesTand results as may be brought out in the following description. l V

, Drawing Figure l is a diagrammatic view of the improved method of making cord and showing the successive steps utilized;

'- the roller as the strip advances. Other means,

however,- for actuating the roller'may beemployed if desired. .Some of the=fluidwill form a film on the roller as the cylindrical surface thereof rotates out of the fluid and into contact with the strip, and awaiting of the strip is according- 1y accomplished by surface contact of the strip I r with the roller. Beyond the position where the strip leaves theroller is situated a-do'ctor-knife I8 or other'suitable-means fFscraping excess fluid from the undersurface of'thestrip and allowingsuchexcessto'drain back into container or trough It. The strip'i held in contactwith the'doctor-knife by suitable mea uchas'a pin or roller]! extending across the strip in prox-n imity' to 'the doctor-knife. 1

After the strip haspassed beyond the doctorknife and awayfromthe container 16,: said strip is longitudinally creased, Thiscreasing may be obtained in suitable manner and inappropriate relation to-theedges of the strip for obtaining desiredtdouble thickness of the stripafterbeing Figure 2 is a fragmentary portion of astrip of paper from which the cord is'rnade;

Figure 3 is another portion ofithe paper and showing the same about to be twisted and in completed condition as a cord; and

Figure 4-is a fragmentary view similar to a part of Figure l andshowing both sides of the strip wetted by the fluid. r

g Description In the specific embodiment of the invention i1- lustrated in said drawing, the reference numeral l0 designates a rollofpaper from which a'continuous strip H may be unwound as the method progresses. The strip feeds from the roll at its roller above the fluid with the strip passing over the upper part of the roller so that the roller will transmit some of the fluid to the undersurface of the strip as the roller rotates and the strip advances in contact therewith. It will be understood that the roller may be suitably driven, and as one means of thus rotating the roller,

- the actuating force may be obtained-by friction- 81 contact of the strip therewith folded. For instance, as indicated'in-the drawing,*the-edge margins are hothdoubled inward toward each other so the edges substantially meet at a central position or line'20. 'For the purpose'of thus creasing the'strip; the same passes over a suitable folder. 2| which-may be a rotatable wheel of appropriate peripheral widthv engaging the. underside of the said strip at its a middle portion. The stripedges crease downward at the sides of this folder 2| and are then folded inward by passing between'pow'er' driven interfitting wheels 22, 23 of which one is grooved 22, for keeping the groove clear of fluid or foreign matter, as will .be understood by those skilled in the art.

The arrangement is such that the strip H is bent downwardly around the periphery of the lower wheel and proceeds to the twisting and winding mechanism. The strip is given a sufficient distance of travel from the said'lower wheel 22 to the twisting and winding mechanism so as to afford opportunity for the now doubled strip thereby impenjng to twist before reaching the twistin'gand winding cord winds around the spool: w

When the strip is thus fed as indicated accomplished at the'right end of Figure 3.

product of the present method. is designated by numeral II.

7 I The twisting-andwinding mechanism is here shown as comprising a vertical spindle I. hav- 7 ing thereon pulley 21 driven by a power driven beltllf, The spindleiextends above-.the pulley and receives a fspooljll thereon; Any suitable means may be employed for engaging the spool 7 and spindle so as to positively rotate the spool;

it constitutes the cord which is the" resultant ;.This twisted cord stantially "The fluid 'iiipitd' irisbiy is a suitable; moisture resisting solution and preferably of a somewhat adhesive characteristic so the folded 'surfaces' will tend to adhere after the. cordis formed; Since the outer surface of thecord is substantiallydrmthere is no objectionable adhesion of theconvolutions'cfuthe winding cord upon the spool. However, it is to be; understood as within the scopeiof the present inventio nito fold. the strip with (the wetted side either inside or outside, and to fold it outside folder wheel 2| is placed above the strip by its support upon the spindle. It is here shown that this attachment is obtained byi providing, .a key 29 longitudinally of the upper-end of the spindle which is received *inla corresponding key-way in the. spool. The spool and spindle accordingly rotate simultaneously and preferably at ahigh ratev of speed, for instance iapproxi tend in the samegeneraldirection.

A ring "is prcvided which is situated in substantiallyj a horizontal position-, encircling the spool. This ring is shown mounted by means of a lever arm 3| extendingdownwardlyaway-from thelring and pivoted at 32, the said lever being power driven to-swing up and down at a,consid-' erably less rate of movement but; synchronized instead of below itas shown, and the feeder wheels ltandwfl are reversed in their relative positions so that grooved wheel" will be above marldged wheel' 123' will be under the strip.

Furthermore, the contact of the folded strip by feedingwheelsfl, -23 obtainsva constant frictional drivefor'thestrip' and a desired tension on the portion of the strip between said wheels and spool so the winding upon the spool is tight and the difference in speed'of feedingof the strip to the rate 1 of. feeding onto the spool' win createthe necessary actuation of traveler 33 around the ring. The strip employed is preferablypaper, and'it-willbe understo'od the invenq tion-isapplicable to utilization of-other materials ifsodesireds' i. l

Again, it is within the scope; it" the invention to apply thefluid to both sides of the strip. This is shown accomplished in Figure. 4 where-strip with the'rotationof the spindle so=as to wind. the cord back and-*fortlr -on, the sp'qol asthe Situated on the ring is a suitable rider or a traveler 33, which cancontinuouslytravel around the, ring under:actuating tensionyofthe cord .7 15

istwistedand the cord is thus formed as artight is accompanied by a feeding ,of the cord back the up and down movement of theringg 'It'may; now be observed that the strip, in'it's winding on the spool;- -Wl ile the traveler is relatively'free to travel around thering, there is sufllcient friction present zto keep it from'rotating as fast;- as-the, spool." .g-Since thetcqrd passes through this rider and-the rider is re- 'volving around-thespindle as an axis, the strip continuous strip,; comprising means .for. efljecting a preliminary. longitudinaltcrease in. the strip, other means for thereafter; folding .the strip edges inward and rneansfor twistingthef olded 1 ll pass es'over'pin or roller 12 to the under portion of roller H to be carried belowsurface ll of thefluid IS in container ll. The strip leaves theroller' I 'l in an upwardly'direction of travel to a' roller l8 and thence to the folder asbefore.

Injits' upward travel from roller I], thefstrip may' engage doctorknives ll, "Ton opposite sides thereof to remove excess fluid-from both sides of the strip. w j Iclaim: 1 i

1. 1 Means 'for forming a. twisted cord 1 from a 1 'stripinto. affcbrd,

, '2. Means for' forming a treated cord and forth lengthwise of thezspool by virtue'pf progress from the wetting roller M1 to thetwistingof the strip receives the wetting material on the underside ofthe-jstrip'and that the longi-' tudinal folding is accomplished so as to fold said planetary means and; reciprocating it in 'i Q I HD 'I fiE W I J Y ofthe-spool. thewettedesidednwardly and thusleaveth 7 u I 'outer or exposedsides of .the "folded strip. sub- 'from,a continuous strip, comprising means ap-' plying adhesive or theliketo the strip, means eifecting' a preliminary longitudinal crease substantially atthe middle of said strip, other means thereafter folding the strip edgesfinward, plane:

I tary means;-both x twisting the 5 folded strip and windingsaid strip on a spool; and a ;lever mount- 

